-3x+4(-x-18)=128

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Solution for -3x+4(-x-18)=128 equation:


Simplifying
-3x + 4(-1x + -18) = 128

Reorder the terms:
-3x + 4(-18 + -1x) = 128
-3x + (-18 * 4 + -1x * 4) = 128
-3x + (-72 + -4x) = 128

Reorder the terms:
-72 + -3x + -4x = 128

Combine like terms: -3x + -4x = -7x
-72 + -7x = 128

Solving
-72 + -7x = 128

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '72' to each side of the equation.
-72 + 72 + -7x = 128 + 72

Combine like terms: -72 + 72 = 0
0 + -7x = 128 + 72
-7x = 128 + 72

Combine like terms: 128 + 72 = 200
-7x = 200

Divide each side by '-7'.
x = -28.57142857

Simplifying
x = -28.57142857

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